Source:http://linkedlifedata.com/resource/umls/id/C0042760
MSH: The infective system of a virus, composed of the viral genome, a protein core, and a protein coat called a capsid, which may be naked or enclosed in a lipoprotein envelope called the peplos.,CSP: the infectious unit of a virus.,GO: The complete fully infectious extracellular virus particle. [ISBN:0781718325]